Endless-belt mounting



R. J. GREENWAY ENDLESS BELT MQUNTING Aug. 10 1926.

Filed March 5. 1925 ATTORNEYS Fat-rented it), 1926.

lllhllll fifi SE53 RICHARD J. GREEN'WAY, GFLS'EERLY, RHODE ISLAND, ASSIGNOR TO C. B. COTTRELL & SONS CGMPANY, F STONINGTON, CONNECTICUT, A CORPORATION OF DELA'WARE.

nnnnnssnnn'r IIIOUNTING.

Application filed March 3, 1825.

In a machine using an endless belt of felt. pile fabric or the like, in conveying an antiotl'set material, such as talc, to the freshly printed sides of sheets or webs or to the surfaces of cylim lers which come in contact with such freshly printed sides, I have found that it is very desirable that means should be employed for easily and quickly dismounting and mounting the belt rolls to permit the ready removal and replacement ofthe belt without undue strain on said belt which would be liable to tear. or distort it.

ll; practical embodiment of my invention is represented in the accompanying drawings, in which 7 Fig. 1 represents in detail top plan that portion of a printingpress which includes the o-h-uetmaiterial applying belt and the means for removably mounting its rolls.

ig. 2 represents a section taken in the plane of the line llll of Fig. 1, looking in the direction of the arrows.

The endless belt for applying the anti-0th set material to the freshly printed side of the sheet or web or to the surface of the cylinder which comes in contact therewith, is denoted by 1. This endless belt passes around the drive roll 2 and a plurality of free rolls, all removably mounted in the auxiliary frame 3, described. In the present instance I have shown three of these free rolls l, 5 and 6, the roll l being); a belt tightening); roll for properly adj usting the tension of the endless belt after it has been placed in position on rolls.

The portion of the belt between the free oils 5 and 6 is adapted to contact with the "reshly printed side of the sheet or web not own herein) as it passes around the cylder 7, or with the surface of the cylinder itself, as the case may be.

The means which I have shown for removably mounting the belt rolls in the auX- iliary frame is construct-ed, arranged and perated as follows:

The ends of the drive roll shaft 8 are mounted in journal bearings carried by the auxiliary frame, the upper half 9 of each bearing being fixed and its lower half 10' being hinged. The free end of the lower half bearing 10 is removably secured in its closed position to complete the hearing", by the usual bolt and nut device 11, 12. This arrangement permits the drive roll 2 to be as will be immediately Serial No. 12,848.

ends of stud axles 14: projecting. inwardly from. the sides of. the auxiliary frame into the ends of their respective rolls. For peril tti-ng the ready mounting and dismount- 11 oit these free rolls, the stud axles 14- have an endwis movement in the sides of the auniliary frame 3, as, for instance, by provid- 11 g screw-threaded engagements between these stud axles and the sides of the auxiliary frame. axles to be moved into and out of the inner members of the anti-friction bearings.

From the'above description it will be seen that if the endless bolt is to be removed, the driveroll and the free rolls may be almost instantly detached from their mountings and removed to a point where the belt may be readily taken off therefrom. The same belt or another belt may be readily replaced on these rolls and the rolls then remounted in the auxiliary frame. The belt tightener roll l may then. be adjusted by the usual devices 15, 16, for bringing the endless belt into the proper tension.

It will furthermore be seen that, by mounting the free rolls on anti-friction bearings, endless belt may be driven by the drive roll with a minimum amount of strain on the belt. This is very important where the belt is composed of felt, pile fabric or the like, which becomes very easily distorted or torn.

It is evident that various changes may be resorted to in the construction, form andarrangement of the several parts without do parting from the spirit and scope of my invention; hence, I do not intend to limitmyself to the parti ular embodiment hereinshown and described, but

ld hat I claim is 1. A frame, an endless belt, its driving and free rolls, and means for easily and quickly dismounting'and mounting the rolls to permit the ready removal and replacement of the belt, said means comprising openable journal bearings for the driving roll shaft and withdrawable stud axles for the free rolls.

2. A. frame, an endless belt, its driving and free rolls, and means for'easily and This will permit the stud located between the tree rolls and their stud axles.

0. A frame, an endless belt, its driving and tree rolls, and means for dismounting and mounting the rolls to permit the removal and replacement of the belt, comprising openable journal bearings for the driving roll shaft and stud axles for the free rolls, said stud axles being mounted for end- Wise movement in the frame to permit their withdrawal from and insertion into the ends or" their respective tree rolls.

4. A frame, an endless belt, its driving and free rolls, and means for dismounting and mounting the rolls to permit the removal and replacement of the belt, comprising openable journal bearings for the drive roll shaft and stud axles tor the free rolls having screw-threaded engagements with the frame to permit their Withdrawal from and insertiolp into the ends of their respective free re s.

mg roll shaft and stud axles for the tree rolls, said stud axles being mounted for end- Wise movement in the frame to permit their Withdrawal from and insertion into the ends of their respective tree rolls, and anti-trietion bearings located between the free rolls and their stud axles. I

6. A. frame, an endless belt, its driving and tree rolls, and means for dismonnting and mounting the rolls to permit the removal and replacement of the belt, comprising openable journal bearings for the drive roll shaft and stud axles for the tree rolls having screw-threaded engagements With the frame to permit their Withdrawal from and insertion into the ends of their respective free rolls, and anti-friction bearings located between the free rolls and their stud axles.

In testimony, that I claim the foregoing as my invention,I have signed my name this 27th day of February A D 1925.

RICHARD J. GREENNAY; 

